<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>

    <script type="text/javascript" src="../js/vue.js"></script>
</head>

<body>

    <div id="root">
        <h2>人员列表</h2>
        <button @click="updateMei">更新马冬梅的信息</button>
        <ul>
            <li v-for="(p,index) in persons" v-bind:key="p.id">
                {{p.name}}-{{p.age}}
            </li>
        </ul>


    </div>
    <script type="text/javascript">
        const vm = new Vue({
            el: '#root',
            data: {
                persons: [
                    { id: '001', name: '马冬梅', age: '19' },
                    { id: '002', name: '周冬雨', age: '18' },
                    { id: '003', name: '周杰伦', age: '21' },
                    { id: '004', name: '温兆伦', age: '20' }
                ]
            },
            methods: {
                updateMei() {
                    this.persons[0] = {name: '马保国', age: '50' }
                }
            }
        })
    </script>


</body>

</html>